JPH0454735B2 - - Google Patents
Info
- Publication number
- JPH0454735B2 JPH0454735B2 JP58080549A JP8054983A JPH0454735B2 JP H0454735 B2 JPH0454735 B2 JP H0454735B2 JP 58080549 A JP58080549 A JP 58080549A JP 8054983 A JP8054983 A JP 8054983A JP H0454735 B2 JPH0454735 B2 JP H0454735B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- inclusions
- mns
- steel
- major axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 11
- 229910000915 Free machining steel Inorganic materials 0.000 claims description 9
- 229910052797 bismuth Inorganic materials 0.000 claims description 7
- 238000009749 continuous casting Methods 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229910052745 lead Inorganic materials 0.000 claims description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims 2
- 230000002687 intercalation Effects 0.000 claims 1
- 238000009830 intercalation Methods 0.000 claims 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 150000003568 thioethers Chemical class 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004453 electron probe microanalysis Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- YQCIWBXEVYWRCW-UHFFFAOYSA-N methane;sulfane Chemical compound C.S YQCIWBXEVYWRCW-UHFFFAOYSA-N 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Continuous Casting (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8054983A JPS59205453A (ja) | 1983-05-09 | 1983-05-09 | 快削鋼とその製造方法 |
| US06/744,907 US4806304A (en) | 1983-05-09 | 1985-06-17 | Free cutting steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8054983A JPS59205453A (ja) | 1983-05-09 | 1983-05-09 | 快削鋼とその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59205453A JPS59205453A (ja) | 1984-11-21 |
| JPH0454735B2 true JPH0454735B2 (ru) | 1992-09-01 |
Family
ID=13721420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8054983A Granted JPS59205453A (ja) | 1983-05-09 | 1983-05-09 | 快削鋼とその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59205453A (ru) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6223970A (ja) * | 1985-07-24 | 1987-01-31 | Nippon Steel Corp | 連続鋳造による低炭素硫黄−鉛快削鋼 |
| JPS62149854A (ja) * | 1985-12-23 | 1987-07-03 | Kobe Steel Ltd | 快削鋼の製造方法 |
| JPH0772322B2 (ja) * | 1986-11-10 | 1995-08-02 | 大同特殊鋼株式会社 | 快削鋼 |
| KR100420304B1 (ko) | 2000-08-30 | 2004-03-04 | 가부시키가이샤 고베 세이코쇼 | 절설(切屑)처리성 및 기계적 특성이 우수한 기계구조용강 |
| JP3524479B2 (ja) | 2000-08-31 | 2004-05-10 | 株式会社神戸製鋼所 | 機械的特性に優れた機械構造用快削鋼 |
| JP5326243B2 (ja) * | 2007-09-05 | 2013-10-30 | 新日鐵住金株式会社 | 溶鋼への鉛の添加方法 |
| BR112014007545B1 (pt) | 2011-09-30 | 2019-05-14 | Nippon Steel & Sumitomo Metal Corporation | Chapa de aço galvanizada por imersão a quente de alta resistência, chapa de aço galvanizada por imersão a quente de alta resistência ligada e método para produção das mesmas. |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59126718A (ja) * | 1983-01-07 | 1984-07-21 | Daido Steel Co Ltd | 冷間加工性に優れた鋼材の製造方法 |
-
1983
- 1983-05-09 JP JP8054983A patent/JPS59205453A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59126718A (ja) * | 1983-01-07 | 1984-07-21 | Daido Steel Co Ltd | 冷間加工性に優れた鋼材の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59205453A (ja) | 1984-11-21 |
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